That’s how I’d describe it 
I will when I have the time make a quick guide that shows this, but basically:
x = distance from left
y = distance from top
z = distance from right
w = distance from bottom.
That way we can produce “boxes” of text that will fit independent of string-length. Many ways to do it differently but this is what we decided on
Press F5 when in the logo-selection menu. Thank me later 